An SAP Consultant

REPORT zvenkat_head MESSAGE-ID zmsg .
*&---------------------------------------------------------------------*
" Declaration part
*&---------------------------------------------------------------------*
TYPES:
    BEGIN OF t_t001w,
      werks       TYPE t001w-werks,
      name1       TYPE t001w-name1,
    END OF t_t001w,
      t_return_tab  TYPE ddshretval.
DATA:
  w_t001w      TYPE t_t001w,
  w_return_tab TYPE t_return_tab.
DATA:
  i_t001w      TYPE STANDARD TABLE OF t_t001w,
 i_return_tab TYPE STANDARD TABLE OF t_return_tab.
*&---------------------------------------------------------------------*
"SELECTION-SCREEN
*&---------------------------------------------------------------------*

SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME.
PARAMETERS :p_werks TYPE t001w-werks,
p_name1 TYPE t001w-name1.
SELECTION-SCREEN END OF BLOCK b1.

*&---------------------------------------------------------------------*
" AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_werks
*&---------------------------------------------------------------------*
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_werks.
  PERFORM f4_help_for_palant.

*&---------------------------------------------------------------------*
*&      Form  f4_help_for_palant
*&---------------------------------------------------------------------*
FORM f4_help_for_palant.

  DATA:
  w_dynpfields TYPE dynpread,
  i_dynpfields LIKE STANDARD TABLE OF dynpread.

  IF i_t001w[] IS INITIAL.
    SELECT werks name1
    FROM t001w
    INTO TABLE i_t001w.
  ENDIF.

  CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
  EXPORTING
*   DDIC_STRUCTURE         = ' '
  retfield               = 'WERKS'
*   PVALKEY                = ' '
  dynpprog               = sy-repid
  dynpnr                 = sy-dynnr
  dynprofield            = 'P_WERKS'
*   STEPL                  = 0
*   WINDOW_TITLE           =
*   VALUE                  = ' '
  value_org              = 'S'
*   MULTIPLE_CHOICE        = ' '
*   DISPLAY                = ' '
*   CALLBACK_PROGRAM       = ' '
*   CALLBACK_FORM          = ' '
*   MARK_TAB               =
* IMPORTING
*   USER_RESET             =
  TABLES
  value_tab              = i_t001w
*   FIELD_TAB              =
  return_tab             = i_return_tab
*   DYNPFLD_MAPPING        =
* EXCEPTIONS
*   PARAMETER_ERROR        = 1
*   NO_VALUES_FOUND        = 2
*   OTHERS                 = 3
  .
  IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.
  READ TABLE i_return_tab INTO w_return_tab INDEX 1.
  p_werks = w_return_tab-fieldval.
  READ TABLE i_t001w INTO w_t001w WITH KEY werks = p_werks.
  IF sy-subrc = 0.

    w_dynpfields-fieldname    = 'P_NAME1'.
    w_dynpfields-fieldvalue   = w_t001w-name1.
    APPEND w_dynpfields TO i_dynpfields.
    CLEAR w_dynpfields.

    CALL FUNCTION 'DYNP_VALUES_UPDATE'
      EXPORTING
        dyname               = sy-repid
        dynumb               = sy-dynnr
      TABLES
        dynpfields           = i_dynpfields
      EXCEPTIONS
        invalid_abapworkarea = 1
        invalid_dynprofield  = 2
        invalid_dynproname   = 3
        invalid_dynpronummer = 4
        invalid_request      = 5
        no_fielddescription  = 6
        undefind_error       = 7
        OTHERS               = 8.
    IF sy-subrc = 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
    ENDIF.
  ENDIF.
ENDFORM.                    " f4_help_for_palant